CN109920689B

CN109920689B - Spring operating mechanism with gear energy storage function

Info

Publication number: CN109920689B
Application number: CN201910264275.9A
Authority: CN
Inventors: 齐士杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-08-21
Anticipated expiration: 2039-04-03
Also published as: CN109920689A

Abstract

The invention discloses a spring operating mechanism with gear energy storage, which belongs to the technical field of power transmission and transformation, and comprises a left wall plate 1 and a right wall plate 2 which are arranged in parallel relatively, wherein two ends of an output shaft 23, an energy storage shaft 24, a secondary gear shaft 25 and a primary gear shaft 26 are all arranged between the left wall plate 1 and the right wall plate 2 in a penetrating way and horizontally arranged in the middle of the wall plates, a switching-off spring switching-on spring is horizontally arranged between the left wall plate 1 and the right wall plate 2, an energy storage and switching-on control pawl is arranged on the outer side of the left wall plate 1, and a switching-off control pawl and a transmission cam system. The invention can solve the technical problems of large volume, high cost, unstable opening and closing parameters and the like of the spring operating mechanism of the traditional high-voltage-level circuit breaker.

Description

Spring operating mechanism with gear energy storage function

Technical Field

The invention relates to a spring operating mechanism for a high-voltage circuit breaker, and belongs to the technical field of high-voltage power transmission and transformation. The spring operating mechanism is particularly suitable for the sulfur hexafluoride circuit breaker.

Background

The spring operating mechanism is an important device in the field of high-voltage power transmission and transformation, and is an important component of a high-voltage circuit breaker, and the switching-on and switching-off operation of the high-voltage circuit breaker is realized through the operating mechanism. The spring operating mechanism has the characteristics of low cost, simple structure, visual principle, less maintenance and the like, and is suitable for being used on high-voltage circuit breakers in large quantities.

The spring operating mechanism applied to the high-voltage circuit breaker generally has the problems of large integral volume, low output power and the like. Due to the problem of efficiency of a transmission structure, the opening and closing time of the circuit breaker is long, the characteristic is unstable, and the reliability of the high-voltage circuit breaker is reduced. Along with the development of the national power system, the system capacity is continuously increased, the transmission voltage is continuously increased, the circuit breaker technology is improved, and the national power grid needs a novel spring operating mechanism with short switching-on and switching-off time, stable mechanical characteristics and high output power.

Disclosure of Invention

The invention aims to provide a spring operating mechanism with energy stored by a gear, which aims to solve the technical problems of large volume, high cost, unstable opening and closing parameters and the like of the spring operating mechanism of the traditional high-voltage-level circuit breaker.

The technical scheme for realizing the purpose is as follows:

a spring operating mechanism with gear energy storage is characterized in that a left wall plate 1 and a right wall plate 2 are placed in parallel, two fixing blocks 6, a separating spring fixing seat 19 and a closing spring fixing seat 28 are fixed between the left wall plate 1 and the right wall plate 2 through bolts and are arranged at four corners of the wall plates to form a main body frame of the mechanism; the motor gear 56, the primary gearwheel 55, the primary gear shaft 26, the secondary gearwheel 77, the secondary gear shaft 25 and the tertiary gearwheel 48 are in matched transmission to form a tertiary speed reducing mechanism; the two ends of the output shaft 23, the energy storage shaft 24, the secondary gear shaft 25 and the primary gear shaft 26 are penetrated between the left wall plate 1 and the right wall plate 2 and horizontally arranged in the middle of the wall plates; two ends of the output shaft 23 and the energy storage shaft 24 extend out of the left wall plate 1 and the right wall plate 2; the secondary gear shaft 25 and the primary gear shaft 26 extend out of the left wall plate 1 from one side, and the motor 27 is fixed on the left wall plate 1 by screws and is arranged between the left wall plate 1 and the right wall plate 2; the lower end of an inner crank arm 22 is fixedly penetrated with an output shaft 23, the upper end of the inner crank arm 22 is fixedly penetrated with a joint 79 through a shaft pin 21, a brake separating spring seat 3 is connected with the right end of the joint 79 through a long shaft 83, two supporting plates 81 are fixedly arranged at the two ends of the long shaft 83, the two supporting plates 81 are arranged at the inner sides of a left wall plate 1 and a right wall plate 2, two rolling shafts 82 are fixedly arranged on each supporting plate 81, and the rolling shafts are arranged at grooves on the left wall plate 1 and the right wall plate 2; the opening spring 5 is horizontally arranged between the left wall plate 1 and the right wall plate 2, one end face of the opening spring is arranged on the right side of the opening spring seat 3 in a penetrating mode, and the other end face of the opening spring 5 is arranged on the left side of the opening spring fixing seat 19 in a penetrating mode through the right opening spring adjusting pad 4; the left side of a piston 7 extends out of the left end face of a hydraulic cylinder 15 and is in threaded connection with a brake separating spring seat 3, a sleeve plug 11 and a sleeve 14 are arranged in the hydraulic cylinder 15 in a penetrating mode on the right side of the piston 7, the right side of the hydraulic cylinder 15 is fixed through a cylinder plug 18 in a threaded mode, the hydraulic cylinder 15 is arranged on a brake separating spring fixing seat 19 in a penetrating mode, a cover plate 20 is fixed on the right end face of the brake separating spring fixing seat 19 through screws, and the hydraulic cylinder 15 is limited through an upper spigot of the brake separating spring fixing seat; the opening spring seat 3, the opening spring fixing seat 19, the piston 7 and the hydraulic cylinder 15 jointly form a mechanism for limiting the stroke of the opening spring 5, and the long shaft 83, the four rolling shafts 82, the two supporting plates 81 and the joint 79 are matched with corresponding grooves on the left wall plate 1 and the right wall plate 2 to form a mechanism for enabling the opening spring seat 19 to horizontally move; the closing spring 30 is horizontally arranged between the left wall plate 1 and the right wall plate 2, the left side of the closing spring 30 is attached to the closing spring adjusting pad 29 and penetrates through the right side of the closing spring fixing seat 28 together, the right side of the closing spring 30 penetrates through the left side of the closing spring seat 31, and the pressure shaft 32 penetrates through the closing spring seat 31 and extends out of kidney holes in the left wall plate 1 and the right wall plate 2; the motor gear 56 is arranged on the shaft of the motor 27 in a penetrating way and extends out of the left wall plate 1; one end of the primary gear shaft 26 extending out of the left wall plate 1 is provided with a primary large gear 55 in a penetrating way; one end of the secondary gear shaft 25 extending out of the left wall plate 1 is provided with teeth integrated with the shaft; the third-stage large gear 48 is fixedly arranged on the energy storage shaft 24 and arranged outside the left wall plate 1 in a penetrating way; the output crank arm 33 is fixedly arranged on the output shaft 23 in a penetrating way and is arranged on the outer side of the left wall plate 1; the locking roller 47 is arranged on the third-stage bull gear 48 in a penetrating way by using a locking roller shaft 46 and is arranged in a groove in the middle of the third-stage bull gear 48; the movable teeth 52 are arranged on the three-stage bull gear in a penetrating way by a movable tooth shaft 51, and a torsion spring C50 is sleeved on the movable tooth shaft 51; the movable teeth 52 supplement the teeth which are lacked on the circumference of the three-stage bull gear 48 under the action of the torsion spring C50; a fixed clutch 80 is arranged on the inner side of the left wall plate 1 on the secondary gear shaft 25 in a penetrating way, and a secondary bull gear 77 is fixed on the outer ring of the clutch 80; under the cooperation of the clutch 80, the secondary gear shaft 25 can exceed the secondary bull gear 77 to rotate clockwise, that is, the secondary bull gear 77 rotates clockwise to drive the secondary gear shaft 25 to rotate clockwise; a fixed backstop (85) is arranged on the inner side of the right wall plate (2) on the secondary gear shaft (25) in a penetrating manner, the outer ring of the backstop (85) is arranged on a fixed flange (84) in a penetrating manner, the fixed flange (84) is fixed on the right wall plate (2) through bolts, and the backstop (85) enables the secondary gear shaft (25) to rotate only in one direction; the closing electromagnet 37 is fixed outside the left wall plate 1 and positioned at the lower left edge; the locking shaft 36, the first-stage closing pawl shaft 38 and the second-stage closing pawl shaft 44 are sequentially fixed on the outer side of the left wall plate 1 from left to right in a penetrating manner; the locking latch 35 is arranged on the locking shaft 36 in a penetrating way, the left end of the locking latch 35 is arranged and positioned with the pulling plate 34 in a penetrating way by using a screw, and the upper end of the pulling plate 34 is arranged and positioned on the output shaft 23 in a penetrating way by using a screw; the first-stage closing latch 40 is positioned on the first-stage closing latch shaft 38 in a penetrating manner, the second-stage closing latch 42 is positioned on the second-stage closing latch shaft 44 in a penetrating manner, and the roller A41 is positioned at the left end of the second-stage closing latch 42 in a penetrating manner by using a shaft pin; the torsion spring A39 is mounted on the first-stage switching-on pawl shaft 38 in a penetrating manner, so that the first-stage switching-off pawl 65 can be subjected to clockwise rotation torque, and the first-stage switching-off pawl 65 is limited by the switching-on electromagnet 37; the torsion spring B43 is arranged outside the left wall plate 1 in a penetrating way by a screw and is positioned below the secondary closing pawl 42, so that the secondary closing pawl 42 can be subjected to clockwise reset torque; the cam 58 is fixedly arranged on the energy storage shaft 24 and arranged outside the right wall plate 2 in a penetrating way, the transmission crank arm 59 is fixedly arranged on the output shaft 23 and arranged outside the right wall plate 2 in a penetrating way, the shaft pin of the closing roller 61 is fixedly arranged at the lower end of the transmission crank arm 59 in a penetrating way, and the opening roller 60 is fixedly arranged at the upper end of the transmission crank arm 59 in a penetrating way by the shaft pin; the opening electromagnet 62 is fixed outside the right wall plate 2 at the middle position of the upper edge of the right wall plate 2; the pressing plate 63 is fixed outside the right wall plate 2 in parallel and is arranged at the upper right part of the right wall plate 2, and the first-stage brake separating latch shaft 64, the second-stage brake separating latch shaft 67, the torsion spring shaft 75 and the third-stage brake separating latch shaft 74 are sequentially arranged between the right wall plate 2 and the pressing plate 63 in a penetrating manner; the primary brake-separating latch 65 and the torsion spring D66 are positioned on the primary brake-separating latch shaft 64 in a penetrating manner, the torsion spring D66 provides counterclockwise reset torque for the primary brake-separating latch 65, and the primary brake-separating latch 65 is limited by the brake-separating electromagnet 62; the secondary brake-separating latch 68 and the torsion spring F78 are penetratingly positioned on the secondary brake-separating latch shaft 67, the torsion spring F78 provides counterclockwise reset torque of the secondary brake-separating latch 68, and the secondary brake-separating latch 68 is limited by the roller C71; the third-stage brake-separating latch 73 is arranged on the third-stage brake-separating latch shaft 74 in a penetrating manner, and the roller C71 is arranged at the left end of the third-stage brake-separating latch 73 in a penetrating manner by using a shaft pin; a fourth-stage brake separating latch shaft 76 is arranged on the third-stage brake separating latch 73 in a penetrating manner and is arranged on the left side of the third-stage brake separating latch shaft 74, and a fourth-stage brake separating latch 72 is arranged on the fourth-stage brake separating latch shaft 76 in the third-stage brake separating latch 73 in a penetrating manner; the torsion spring E70 is arranged on the torsion spring shaft 75 in a penetrating manner, the torsion spring E70 provides counterclockwise reset torque for the third-stage brake-separating latch 73 and the fourth-stage brake-separating latch 72, and the third-stage brake-separating latch 73 and the fourth-stage brake-separating latch 72 are limited by the third-stage brake-separating latch shaft 74 and the waist holes on the pressure plate 63; two side pull shafts 45 are respectively fixedly arranged on the three-stage bull gear 48 and the cam 58 in a penetrating way, the two side pull shafts 45 are coaxial in position, two end shafts 57 are respectively fixed on the left wall plate 1 and the right wall plate 2, the two end shafts 57 are coaxial in position, two guide arms 54 are respectively positioned with the two end shafts 57 in a penetrating way, the lower ends of the two guide arms 54 are respectively arranged on the pressing shaft 32 in a penetrating way and positioned at two ends of the pressing shaft 32 extending out of the left wall plate 1 and the right wall plate 2, one ends of the two pull arms 49 are respectively arranged on the two guide arms 54 in a penetrating way by using two pull arm shaft pins 53, and the other ends of the two pull arms (49) are respectively positioned with the side pull shafts (45) on the cam (58) and the three-; the three-stage bull gear 48 and the two side pull shafts 45 on the cam 58 rotate along with the energy storage shaft 24, and the two side pull shafts 45 drive the two pull arms 49, the two guide arms 54 and the pressing shaft 32 to move leftwards to compress the closing spring 30; when the third-stage gearwheel 48 rotates to the last tooth before the movable tooth 52, the control circuit cuts off the power supply of the motor 27, at the moment, the third-stage gearwheel 48 is pulled by the closing spring 30 to rotate anticlockwise, when the locking roller 47 on the third-stage gearwheel 48 is attached to the oblique edge of the second-stage closing pawl 42, the roller A41 on the second-stage closing pawl 42 is propped against the tangent plane on the first-stage opening pawl 65, the rotation of the third-stage gearwheel 48 is blocked, and the elastic potential energy of the closing spring 30 is locked, so that the energy storage process is completed; after the power supply of the motor 27 is cut off, the three-level gearwheel 48 is locked and cannot rotate continuously, and the movable teeth 52 on the three-level gearwheel 48 can enable the secondary gear shaft 25, the primary gear shaft 26 and the motor 27 to rotate continuously under the matching of the torsion spring C50 until the motor 27 and each gear stop; a switching-on process: after the switching-on electromagnet 37 is electrified, the lower end of the first-stage switching-on pawl 40 is struck, so that the first-stage switching-on pawl 40 rotates anticlockwise, the roller A41 on the second-stage switching-on pawl 42 is separated from the first-stage switching-on pawl 40, the second-stage switching-on pawl 42 is pushed by the locking roller 47 to rotate anticlockwise, and under the action of elastic potential energy of the switching-on spring 30, the two guide arms 54 and the two pull arms 49 drive the third-stage large gear 48 and the energy storage shaft 24 to rotate anticlockwise quickly; the cam 58 rotates fast along with the energy storage shaft 24, the cam 58 impacts and drives the closing roller 61 to rotate fast, under the action of the cam 58, the transmission connecting lever 59 rotates fast anticlockwise until the cam 58 is separated from the closing roller 61, the transmission connecting lever 59 rotates to drive the inner connecting lever 22 to rotate so as to compress the opening spring 5, when the transmission connecting lever 59 rotates fast anticlockwise, the opening roller 60 on the transmission connecting lever 59 pushes the left end of the four-stage opening pawl 72 to move upwards, after the opening roller 60 is separated from the left end of the four-stage opening pawl 72, the four-stage opening pawl 72 moves downwards and resets under the action of a torsion spring E70, the four-stage opening pawl 72, the three-stage opening pawl 73, the two-stage opening pawl 68 and the one-stage opening pawl 65 are matched with one another to clamp the opening roller 60 and the transmission connecting lever 59, and the elastic potential energy of the opening spring 5 is locked; an output crank arm 33 on the output shaft 23 rotates to drive the switch to complete the closing action; the brake opening process: the opening electromagnet 62 is electrified and then strikes the first-stage opening pawl 65, the first-stage opening pawl 65 rotates clockwise, the roller B69 on the second-stage opening pawl 68 is separated from the first-stage opening pawl 65, under the action of elastic potential energy of the opening spring 5, the roller C71 is separated from the second-stage opening pawl 68, the opening roller 60 is separated from the fourth-stage opening pawl 72, the second-stage opening pawl 68, the third-stage opening pawl 73 and the fourth-stage opening pawl 72 rotate clockwise, the opening roller 60 and the transmission crank arm 59 are unlocked, the transmission crank arm 59 and the output shaft 23 rotate clockwise rapidly, the output shaft 23 is limited by the inner crank arm 22 and the piston 7, and the output crank arm 33 on the output shaft 23 rotates to drive a switch to complete opening and closing.

Pneumatic cylinder (15) left end downthehole first sealing washer (8), second sealing washer (9) and third sealing washer (10) of setting up, cover stifled (11) on set up fourth sealing washer (12) and fifth sealing washer (13), jar stifled (18) on set up sixth sealing washer (16) and seventh sealing washer (17), the hydraulic oil seal in the pneumatic cylinder is sealed with the sealing washer.

The invention has the advantages of stable mechanical characteristic of switching on and off, high reliability, fast energy storage time and the like.

Drawings

Fig. 1 is a schematic front view of a left wall plate of the spring operating mechanism (in a closing energy storage state);

FIG. 2 is a schematic view of the spring operating mechanism of FIG. 1 in the direction A;

FIG. 3 is a schematic sectional view taken along line B-B of FIG. 2 of the spring actuator of the present invention (closing energy storage state);

fig. 4 is a schematic front view of a right wall plate of the spring operating mechanism (in an opening energy storage state);

fig. 5 is a schematic front view of the left wall plate of the spring operating mechanism (open-brake energy storage state) according to the present invention;

fig. 6 is a schematic front view of a right wall plate of the spring operating mechanism according to the present invention (in a closing energy storage state);

FIG. 7 is a schematic cross-sectional view of a secondary gear shaft of the spring operating mechanism of the present invention;

numbering in the figures: 1. a left wall plate, a right wall plate, a switching-off spring seat, a switching-off spring adjusting pad, a switching-off spring, a first fixing block, a second fixing block, a piston, a third fixing block, a fourth fixing block, a fifth fixing block, a sixth fixing block, a fifth fixing block, a sixth fixing block, 39. the device comprises torsion springs A, 40, a first-stage closing pawl, 41, rollers A, 42, a second-stage closing pawl, 43, torsion springs B, 44, a second-stage closing pawl shaft, 45, a side pull shaft, 46, a locking roller shaft, 47, a locking roller, 48, a third-stage gear wheel, 49, a pull arm, 50, torsion springs C, 51, a movable gear shaft, 52, a movable gear, 53, a pull arm pin shaft, 54, a guide arm, 55, a first-stage gear wheel, 56, a motor gear, 57, an end shaft, 58, a cam, 59, a transmission crank arm, 60, a separating brake roller, 61, a closing roller, 62, a separating brake electromagnet, 63, a pressing plate, 64, a first-stage separating brake shaft, 65, a first-stage separating brake, 66, torsion springs D, 67, a second-stage separating brake shaft, 68, a second-stage separating brake, 69, rollers B, 70, torsion springs E, 71, rollers C, 72, a fourth-stage separating brake, 73, a third-stage separating brake, 74 and a separating brake shaft, 75. 76 of a torsion spring shaft, 77 of a four-stage brake separating pawl shaft, 78 of a two-stage large gear, 78 of a torsion spring F, 79 of a joint, 80 of a clutch, 81 of a support plate, 82 of a rolling shaft, 83 of a long shaft, 84 of a fixed flange, 85 of a backstop.

Detailed Description

The patent is described in further detail below with reference to the accompanying drawings.

(as shown in fig. 1, 2, 3 and 4) the spring operating mechanism of the present invention is a double-plate structure. The left wall plate 1 and the right wall plate 2 are placed in parallel, and the two fixing blocks 6, the opening spring fixing seat 19 and the closing spring fixing seat 28 are fixed between the left wall plate 1 and the right wall plate 2 by bolts and are arranged at the four corners of the wall plates to form a main body frame of the mechanism.

The output shaft 23, the energy storage shaft 24, the secondary gear shaft 25 and the primary gear shaft 26 are inserted between the left wall plate 1 and the right wall plate 2 at two ends (as shown in fig. 3) and are horizontally arranged in the middle of the wall plates. The two ends of the output shaft 23 and the energy storage shaft 24 extend out of the left wall plate 1 and the right wall plate 2. The secondary gear shaft 25 and the primary gear shaft 26 extend out of the left wall plate 1 at one side, and the motor 27 is fixed on the left wall plate 1 by screws and is arranged between the left wall plate 1 and the right wall plate 2. The lower end of an inner crank arm 22 is fixedly penetrated with an output shaft 23, the upper end of the inner crank arm 22 and the left end of a joint 79 are penetrated with a separating brake spring shaft pin 21, a separating brake spring seat 3 and the right end of the joint 79 are connected with a long shaft 83 in a penetrating manner, two support plates 81 are fixedly installed at the two ends of the long shaft 83, the two support plates 81 are arranged on the inner sides of a left wall plate 1 and a right wall plate 2, two rolling shafts 82 are fixedly arranged on each support plate 81, and the rolling shafts are arranged on corresponding grooves on the left wall plate 1 and the right wall plate 2.

(as shown in fig. 3) the opening spring 5 is horizontally arranged between the left wall plate 1 and the right wall plate 2, two end faces are jointed by two opening spring adjusting pads 4, the opening spring 5 is arranged on the right side of the opening spring seat 3 in a penetrating way, and the opening spring adjusting pads 4 and the opening spring 5 are arranged on the left side of the opening spring fixing seat 19 in a penetrating way. The left side of the piston 7 extends out of the left end face of the hydraulic cylinder 15 and is in threaded connection with the opening spring seat 3, the right side of the piston 7 is penetrated and sleeved with the sleeve 11 and the sleeve 14 and is arranged in the hydraulic cylinder 15, the right side of the hydraulic cylinder 15 is fixed by the cylinder plug 18 in a threaded mode, the hydraulic cylinder 15 is penetrated and sleeved on the opening spring fixing seat 19, the cover plate 20 is fixed on the right end face of the opening spring fixing seat 19 by screws, and the hydraulic cylinder 15 is limited by the upper spigot of the opening spring fixing seat 19 and the cover plate. The opening spring seat 3, the opening spring fixing seat 19, the piston 7 and the hydraulic cylinder 15 are matched with each other to limit the stroke of the opening spring 5. The long shaft 83, the four rollers 82, the two support plates 81 and the joint 79 are matched with corresponding grooves on the left wall plate 1 and the right wall plate 2 to limit the horizontal movement of the opening spring seat 19. A sealing ring 8, a sealing ring 9 and a sealing ring 10 are arranged in a hole at the left end of the hydraulic cylinder 15, a sealing ring 12 and a sealing ring 13 are arranged on the sleeve plug 11, a sealing ring 16 and a sealing ring 17 are arranged on the cylinder plug 18, and the hydraulic oil in the hydraulic cylinder is sealed by utilizing the sealing rings.

(as shown in fig. 3), a closing spring 30 is horizontally arranged between the left wall plate 1 and the right wall plate 2, the left side of the closing spring 30 is attached to a closing spring adjusting pad 29 and is mounted on the right side of a closing spring fixing seat 28 in a penetrating manner, the right side of the closing spring 30 is mounted on the left side of a closing spring seat 31 in a penetrating manner, and a pressing shaft 32 is mounted on the closing spring seat 31 in a penetrating manner and extends out of kidney holes in the left wall plate 1 and the right wall plate 2.

A motor gear 56 (shown in fig. 1) is mounted on the shaft of the motor 27 and extends from the left wall plate 1. The end of the primary gear shaft 26 extending out of the left wall plate 1 is provided with a primary large gear 55. One end of the secondary gear shaft 25 extending out of the left wall plate 1 is provided with teeth integrated with the shaft. The third-stage large gear 48 is fixedly arranged outside the left wall plate 1 on the energy storage shaft 24 in a penetrating way. The output crank arm 33 is fixedly arranged on the output shaft 23 in a penetrating way and is arranged on the outer side of the left wall plate 1. The locking roller 47 is mounted on the third-stage bull gear 48 by a locking roller shaft 46 and is arranged in a groove in the middle of the third-stage bull gear 48. The movable teeth 52 are arranged on the three-stage bull gear in a penetrating way by a movable tooth shaft 51, and a torsion spring C50 is sleeved on the movable tooth shaft 51.

The movable teeth 52 supplement the teeth which are missing on the circumference of the three-stage bull gear 48 under the action of the torsion spring C50.

(as shown in fig. 7), a fixed clutch 80 is arranged on the inner side of the left wall plate 1 of the secondary gear shaft 25 in a penetrating way, and a secondary large gear 77 is fixed on the outer ring of the clutch 80. A fixed backstop 85 is arranged on the inner side of the right wall plate 2 on the secondary gear shaft 25 in a penetrating mode, the outer ring of the backstop 85 is arranged on a fixed flange 84 in a penetrating mode, and the fixed flange 84 is fixed on the right wall plate 2 through bolts. (as shown in fig. 1), the secondary gear shaft 25 can rotate clockwise beyond the secondary gearwheel 77 under the cooperation of the clutch 80, that is, the secondary gearwheel 77 can rotate clockwise to drive the secondary gear shaft 25 to rotate clockwise, and the secondary gear shaft 25 can only rotate clockwise under the cooperation of the backstop 85.

The closing electromagnet 37 (shown in fig. 1) is fixed outside the left wall plate 1 at the lower left edge. The locking shaft 36, the first-stage closing latch shaft 38 and the second-stage closing latch shaft 44 are sequentially fixed on the outer side of the left wall plate 1 from left to right in a penetrating manner. The locking latch 35 is arranged on the locking shaft 36 in a penetrating mode, the left end of the locking latch 35 is arranged and positioned on the pulling plate 34 in a penetrating mode through a screw, and the upper end of the pulling plate 34 is arranged and positioned on the output shaft 23 in a penetrating mode through a screw. The first-stage closing latch 40 is positioned on the first-stage closing latch shaft 38 in a penetrating manner, the second-stage closing latch 42 is positioned on the second-stage closing latch shaft 44 in a penetrating manner, and the roller A41 is positioned at the left end of the second-stage closing latch 42 in a penetrating manner by using a shaft pin. The torsion spring a39 is mounted through the primary closing pawl shaft 38 so that the primary opening pawl 65 is subjected to a clockwise rotation torque and the primary opening pawl 65 is restrained by the closing electromagnet 37. The torsion spring B43 is arranged outside the left wall plate 1 in a penetrating manner by a screw and is positioned below the second-stage closing pawl 42, so that the second-stage closing pawl 42 can be subjected to clockwise reset torque.

As shown in fig. 4, the cam 58 is fixedly inserted into the energy storage shaft 24 and disposed outside the right wall plate 2, the transmission crank arm 59 is fixedly inserted into the output shaft 23 and disposed outside the right wall plate 2, the closing roller 61 is positioned at the lower end of the transmission crank arm 59, and the opening roller 60 is fixedly inserted into the upper end of the transmission crank arm 59 by a shaft pin.

The opening electromagnet 62 (shown in fig. 4) is fixed outside the right wall plate 2 at the middle position of the upper edge of the right wall plate 2. The pressing plate 63 is fixed outside the right wall plate 2 in parallel and above the right wall plate 2, and the first-stage brake separating latch shaft 64, the second-stage brake separating latch shaft 67, the torsion spring shaft 75 and the third-stage brake separating latch shaft 74 are sequentially arranged between the right wall plate 2 and the pressing plate 63 in a penetrating mode. The primary brake-separating latch 65 and the torsion spring D66 are penetratingly arranged and positioned on the primary brake-separating latch shaft 64, the torsion spring D66 provides counterclockwise reset torque for the primary brake-separating latch 65, and the primary brake-separating latch 65 is limited by the brake-separating electromagnet 62. The secondary brake-separating latch 68 and the torsion spring F78 are mounted on the secondary brake-separating latch shaft 67 in a penetrating manner, the torsion spring F78 provides counterclockwise return torque of the secondary brake-separating latch 68, and the secondary brake-separating latch 68 is limited by the roller C71. The third-stage brake-separating latch 73 is arranged on the third-stage brake-separating latch shaft 74 in a penetrating mode, and the roller C71 is arranged at the left end of the third-stage brake-separating latch 73 in a penetrating mode through a shaft pin. The fourth-stage brake separating latch shaft 76 is arranged on the third-stage brake separating latch shaft 73 in a penetrating manner and is arranged on the left side of the third-stage brake separating latch shaft 74, and the fourth-stage brake separating latch 72 is arranged on the fourth-stage brake separating latch shaft 76 in the third-stage brake separating latch 73 in a penetrating manner. The torsion spring E70 is arranged on the torsion spring shaft 75 in a penetrating way, the torsion spring E70 provides counterclockwise reset torque for the third-stage brake-separating latch 73 and the fourth-stage brake-separating latch 72, and the third-stage brake-separating latch 73 and the fourth-stage brake-separating latch 72 are limited by the waist holes on the third-stage brake-separating latch shaft 74 and the pressure plate 63.

(as shown in fig. 1 and 4), two side pull shafts 45 are respectively fixed on the three-stage bull gear 48 and the cam 58 in a penetrating way, the two side pull shafts 45 are coaxial in position, two end shafts 57 are respectively fixed on the left wall plate 1 and the right wall plate 2, the two end shafts 57 are coaxial in position, two guide arms 54 are respectively positioned in a penetrating way with the two end shafts 57, the lower ends of the two guide arms 54 are respectively arranged on the pressing shaft 32 in a penetrating way, positioned at the two ends of the pressing shaft 32 extending out of the left wall plate 1 and the right wall plate 2, one ends of the two pull arms 49 are respectively arranged on the two guide arms 54 in a penetrating way by using two pull arm shaft pins 53, and the other ends of the two pull arms 49 are respectively positioned in a penetrating way with the cam 58 and the end shafts 57 on.

The spring operating mechanism of the invention has the working mode that:

energy storage process: as shown in fig. 1 and 3, when the motor 27 is energized, the motor gear 56, the first-stage large gear 55, the first-stage gear shaft 26, the second-stage large gear 77, the second-stage gear shaft 25 and the third-stage large gear 48 are in matched transmission to form a third-stage speed reduction mechanism, so that the third-stage large gear 48 drives the energy storage shaft 24 to rotate counterclockwise. The three-stage bull gear 48 and the two side pull shafts 45 on the cam 58 rotate along with the energy storage shaft 24, and the two side pull shafts 45 drive the two pull arms 49, the two guide arms 54 and the pressing shaft 32 to move leftwards to compress the closing spring 30. When the third-stage gearwheel 48 rotates to the last tooth before the movable tooth 52, the control circuit cuts off the power supply of the motor 27, at the moment, the third-stage gearwheel 48 is pulled by the closing spring 30 to rotate anticlockwise, when the locking roller 47 on the third-stage gearwheel 48 is attached to the oblique edge of the second-stage closing pawl 42, the roller A41 on the second-stage closing pawl 42 is propped against the tangent plane on the first-stage opening pawl 65, the rotation of the third-stage gearwheel 48 is blocked, and the elastic potential energy of the closing spring 30 is locked, so that the energy storage process is completed.

After the power supply of the motor 27 is cut off, the rotational inertia can continue to rotate, but the three-level large gear 48 is locked and cannot continue to rotate, and the movable teeth 52 on the three-level large gear 48 can enable the secondary gear shaft 25, the primary gear shaft 26 and the motor 27 to continue to rotate under the matching of the torsion spring C50 until the motor 27 and the gears stop.

A switching-on process: as shown in fig. 5, the closing electromagnet 37 is energized to strike the lower end of the first-stage closing pawl 40, so that the first-stage closing pawl 40 rotates counterclockwise, the roller a41 on the second-stage closing pawl 42 disengages from the first-stage closing pawl 40, the second-stage closing pawl 42 is pushed by the locking roller 47 to rotate counterclockwise, and under the action of the elastic potential energy of the closing spring 30, the two guide arms 54 and the two pull arms 49 drive the third-stage bull gear 48 and the energy storage shaft 24 to rotate counterclockwise rapidly. The cam 58 rotates rapidly along with the energy storage shaft 24 (as shown in fig. 4), the cam 58 impacts and drives the closing roller 61 to rotate rapidly, the transmission connecting lever 59 rotates rapidly counterclockwise under the action of the cam 58 until the cam 58 disengages from the closing roller 61, the transmission connecting lever 59 rotates to drive the inner connecting lever 22 to rotate so as to compress the opening spring 5, the opening roller 60 on the transmission connecting lever 59 pushes the left end of the four-stage opening detent 72 to move upwards when the transmission connecting lever 59 rotates rapidly counterclockwise, after the opening roller 60 disengages from the left end of the four-stage opening detent 72, the four-stage opening detent 72 moves downwards under the action of the torsion spring E70 to reset, and the four-stage opening detent 72, the three-stage opening detent 73, the two-stage opening detent 68 and the one-stage opening detent 65 cooperate with each other to clamp the opening roller 60 and the transmission connecting lever 59, so that the elastic force of the opening spring 5 can be locked. The output crank arm 33 on the output shaft 23 rotates to drive the switch to complete the closing action.

The brake opening process: (as shown in fig. 6), the opening electromagnet 62 is energized to strike the first-stage opening pawl 65, the first-stage opening pawl 65 rotates clockwise, so that the roller B69 on the second-stage opening pawl 68 disengages from the first-stage opening pawl 65, under the action of the elastic potential energy of the opening spring 5, the roller C71 disengages from the second-stage opening pawl 68, the opening roller 60 disengages from the fourth-stage opening pawl 72, the second-stage opening pawl 68, the third-stage opening pawl 73 and the fourth-stage opening pawl 72 rotate clockwise, the opening roller 60 and the transmission crank arm 59 are not locked, the transmission crank arm 59 and the output shaft 23 rotate clockwise rapidly, the output shaft 23 is limited by the inner crank arm 22 and the piston 7, and the output crank arm 33 on the output shaft 23 rotates to drive the switch to complete opening and closing.

Claims

1. A spring operating mechanism with energy stored by gears is characterized in that a left wall plate (1) and a right wall plate (2) are placed in parallel, and two fixing blocks (6), a brake-separating spring fixing seat (19) and a switch-on spring fixing seat (28) are fixed between the left wall plate (1) and the right wall plate (2) by bolts and are placed at four corners of the wall plates to form a main body frame of the mechanism; the motor gear (56), the primary gearwheel (55), the primary gear shaft (26), the secondary gearwheel (77), the secondary gear shaft (25) and the tertiary gearwheel (48) are in matched transmission to form a tertiary speed reducing mechanism; the two ends of an output shaft (23), an energy storage shaft (24), a secondary gear shaft (25) and a primary gear shaft (26) are penetrated between a left wall plate (1) and a right wall plate (2) and horizontally arranged in the middle of the wall plates; two ends of the output shaft (23) and the energy storage shaft (24) extend out of the left wall plate (1) and the right wall plate (2); the secondary gear shaft (25) and the primary gear shaft (26) extend out of the left wall plate (1) at one side, and the motor (27) is fixed on the left wall plate (1) by screws and is arranged between the left wall plate (1) and the right wall plate (2); the lower end of the inner crank arm (22) is fixedly penetrated with the output shaft (23), and the upper end of the inner crank arm (22) is connected with the joint (79) through a brake-separating spring pin shaft (21); the opening spring seat (3) is connected with the right end of the joint (79) through a long shaft (83); two supporting plates (81) are fixedly installed at two ends of the long shaft (83), the two supporting plates (81) are arranged on the inner sides of the left wall plate (1) and the right wall plate (2), two rolling shafts (82) are fixedly arranged on each supporting plate (81), and the rolling shafts are arranged at grooves on the left wall plate (1) and the right wall plate (2); the opening spring (5) is horizontally arranged between the left wall plate (1) and the right wall plate (2), one end face of the opening spring is arranged on the right side of the opening spring seat (3) in a penetrating mode, and the other end face of the opening spring (5) is arranged on the left side of the opening spring fixing seat (19) in a penetrating mode through the right opening spring adjusting pad (4); the left side of a piston (7) extends out of the left end face of a hydraulic cylinder (15) and is in threaded connection with a brake separating spring seat (3), a sleeve plug (11) and a sleeve (14) are arranged in the hydraulic cylinder (15) in a penetrating mode on the right side of the piston (7), the right side of the hydraulic cylinder (15) is fixed by a cylinder plug (18) in a threaded mode, the hydraulic cylinder (15) is arranged on a brake separating spring fixing seat (19) in a penetrating mode, a cover plate (20) is fixed on the right end face of the brake separating spring fixing seat (19) by screws, and the hydraulic cylinder (15) is limited by an upper spigot of the brake separating spring fixing seat (19) and; the opening spring seat (3), the joint (79), the opening spring fixing seat (19), the piston (7) and the hydraulic cylinder (15) jointly form a mechanism for limiting the stroke of the opening spring (5); the closing spring (30) is horizontally arranged between the left wall plate (1) and the right wall plate (2), the left side of the closing spring (30) is attached to the closing spring adjusting pad (29) and penetrates through the right side of the closing spring fixing seat (28), the right side of the closing spring (30) penetrates through the left side of the closing spring seat (31), and the pressing shaft (32) penetrates through the closing spring seat (31) and extends out of kidney holes in the left wall plate (1) and the right wall plate (2); the motor gear (56) is arranged on the shaft of the motor (27) in a penetrating way and extends out of the left wall plate (1); one end of the primary gear shaft (26) extending out of the left wall plate (1) is provided with a primary large gear (55) in a penetrating way; one end of the secondary gear shaft (25) extending out of the left wall plate (1) is provided with teeth integrated with the shaft; the three-stage large gear (48) is fixedly arranged on the energy storage shaft (24) in a penetrating way and is arranged outside the left wall plate (1); the output crank arm (33) is fixedly arranged on the output shaft (23) in a penetrating way and is arranged on the outer side of the left wall plate (1); the locking roller (47) is arranged on the third-stage gearwheel (48) in a penetrating way by a locking roller shaft (46) and is arranged in a middle groove of the third-stage gearwheel (48); the movable teeth (52) are arranged on the three-stage big gear by a movable tooth shaft (51) in a penetrating way, and the torsion spring C (50) is sleeved on the movable tooth shaft (51); the movable teeth (52) supplement the teeth which are lacked on the circumference of the three-stage bull gear (48) under the action of the torsion spring C (50); a fixed clutch (80) is arranged on the inner side of the left wall plate (1) on the secondary gear shaft (25) in a penetrating way, and a secondary bull gear (77) is fixed on the outer ring of the clutch (80); under the matching of the clutch (80), the secondary gear shaft (25) can surpass the secondary bull gear (77) to rotate clockwise, namely the secondary bull gear (77) rotates clockwise to drive the secondary gear shaft (25) to rotate clockwise; a fixed backstop (85) is arranged on the inner side of the right wall plate (2) on the secondary gear shaft (25) in a penetrating manner, the outer ring of the backstop (85) is arranged on a fixed flange (84) in a penetrating manner, the fixed flange (84) is fixed on the right wall plate (2) through bolts, and the backstop (85) enables the secondary gear shaft (25) to rotate only in one direction; the closing electromagnet (37) is fixed outside the left wall plate (1) and is positioned at the left lower edge; the locking shaft (36), the primary closing pawl shaft (38) and the secondary closing pawl shaft (44) are sequentially fixed on the outer side of the left wall plate (1) in a penetrating manner from left to right; a locking pawl (35) is arranged on the locking shaft (36) in a penetrating way, the left end of the locking pawl (35) is positioned with the pulling plate (34) in a penetrating way by a screw, and the upper end of the pulling plate (34) is positioned on the output shaft (23) in a penetrating way by a screw; the first-stage closing pawl (40) is positioned on the first-stage closing pawl shaft (38) in a penetrating manner, the second-stage closing pawl (42) is positioned on the second-stage closing pawl shaft (44) in a penetrating manner, and the roller A (41) is positioned at the left end of the second-stage closing pawl (42) in a penetrating manner by using a shaft pin; the torsion spring A (39) is arranged on the first-stage switching-on pawl shaft (38) in a penetrating manner, so that the first-stage switching-off pawl (65) can be subjected to clockwise rotating torque, and the first-stage switching-off pawl (65) is limited by the switching-on electromagnet (37); the torsion spring B (43) is arranged outside the left wall plate (1) in a penetrating way by a screw and is positioned below the secondary closing pawl (42), so that the secondary closing pawl (42) can be subjected to clockwise reset torque; the cam (58) is fixedly arranged on the energy storage shaft (24) in a penetrating way and is arranged outside the right wall plate (2), the transmission connecting lever (59) is fixedly arranged on the output shaft (23) in a penetrating way and is arranged outside the right wall plate (2), the shaft pin of the closing roller (61) is positioned at the lower end of the transmission connecting lever (59) in a penetrating way, and the opening roller (60) is fixedly arranged at the upper end of the transmission connecting lever (59) in a penetrating way by the shaft pin; the opening electromagnet (62) is fixed at the middle position of the upper edge of the right wall plate (2) outside the right wall plate (2); the pressing plate (63) is fixed outside the right wall plate (2) in parallel and is arranged at the upper right part of the right wall plate (2), and the first-stage brake separating latch shaft (64), the second-stage brake separating latch shaft (67), the torsion spring shaft (75) and the third-stage brake separating latch shaft (74) are sequentially positioned between the right wall plate (2) and the pressing plate (63) in a penetrating manner; the first-stage brake-separating latch (65) and a torsion spring D (66) are positioned on the first-stage brake-separating latch shaft (64) in a penetrating manner, the torsion spring D (66) provides counterclockwise reset torque for the first-stage brake-separating latch (65), and the first-stage brake-separating latch (65) is limited by a brake-separating electromagnet (62); the secondary brake-separating latch (68) and a torsion spring F (78) are positioned on the secondary brake-separating latch shaft (67) in a penetrating manner, the torsion spring F (78) provides counterclockwise reset torque for the secondary brake-separating latch (68), and the secondary brake-separating latch (68) is limited by a roller C (71); the three-level brake-separating latch (73) is arranged on the three-level brake-separating latch shaft (74) in a penetrating manner, and the roller C (71) is arranged at the left end of the three-level brake-separating latch (73) in a penetrating manner by a shaft pin; a four-stage brake-separating latch shaft (76) is arranged on the three-stage brake-separating latch (73) in a penetrating manner and is arranged on the left side of the three-stage brake-separating latch shaft (74), and a four-stage brake-separating latch (72) is arranged on the four-stage brake-separating latch shaft (76) in the three-stage brake-separating latch (73); the torsion spring E (70) is arranged on the torsion spring shaft (75) in a penetrating mode, the torsion spring E (70) provides anticlockwise reset torque for the third-stage brake separating latch (73) and the fourth-stage brake separating latch (72), and the third-stage brake separating latch (73) and the fourth-stage brake separating latch (72) are limited by the third-stage brake separating latch shaft (74) and kidney holes in the pressing plate (63); two side pull shafts (45) are respectively fixedly arranged on a three-stage large gear (48) and a cam (58) in a penetrating mode, the two side pull shafts (45) are coaxial in position, two end shafts (57) are respectively fixed on a left wall plate (1) and a right wall plate (2), the two end shafts (57) are coaxial in position, two guide arms (54) are respectively positioned with the two end shafts (57) in a penetrating mode, the lower ends of the two guide arms (54) are respectively arranged on a pressing shaft (32) in a penetrating mode, the two guide arms (54) are positioned at two ends, extending out of the left wall plate (1) and the right wall plate (2), of the pressing shaft (32), one ends of the two pull arms (49) are respectively arranged on the two guide arms (54) in a penetrating mode through two pull arm shaft pins (53), and the other ends of the two three-stage pull arms (49) are respectively positioned with the cam (58) and the side pull; two side pull shafts (45) on the three-stage bull gear (48) and the cam (58) rotate along with the energy storage shaft (24), and the two side pull shafts (45) drive the two pull arms (49), the two guide arms (54) and the pressure shaft (32) to move leftwards to compress a closing spring (30); when the three-level large gear (48) rotates to the last tooth before the movable tooth (52), the control circuit cuts off the power supply of the motor (27), at the moment, the three-level large gear (48) is pulled by the switching-on spring (30) to rotate anticlockwise, when the locking roller (47) on the three-level large gear (48) is attached to the bevel edge of the second-level switching-on pawl (42), the roller A (41) on the second-level switching-on pawl (42) is propped against the tangent plane on the upper side of the first-level switching-off pawl (65), the rotation of the three-level large gear (48) is clamped, and the elastic potential energy of the switching-on spring (30) is locked, so that; after the power supply of the motor (27) is cut off, the three-level large gear (48) is locked and cannot rotate continuously, and the movable teeth (52) on the three-level large gear (48) can enable the secondary gear shaft (25), the primary gear shaft (26) and the motor (27) to rotate continuously under the matching of the torsion spring C (50) and the torsion spring C until the motor (27) and the gears stop; a switching-on process: after the switching-on electromagnet (37) is electrified, the lower end of the first-stage switching-on pawl (40) is struck, so that the first-stage switching-on pawl (40) rotates anticlockwise, a roller A (41) on the second-stage switching-on pawl (42) is separated from the first-stage switching-on pawl (40), the second-stage switching-on pawl (42) is pushed to rotate anticlockwise by a locking roller (47), and under the action of elastic potential energy of a switching-on spring (30), the two guide arms (54) and the two pull arms (49) drive the third-stage large gear (48) and the energy storage shaft (24) to rotate quickly anticlockwise; the cam (58) rotates fast along with the energy storage shaft (24), the cam (58) impacts and drives the closing roller (61) to rotate fast, under the action of the cam (58), the transmission crank arm (59) rotates fast anticlockwise until the cam (58) is separated from the closing roller (61), the transmission crank arm (59) rotates to drive the inner crank arm (22) to rotate so as to compress the opening spring (5), the opening roller (60) on the transmission crank arm (59) when rotating fast anticlockwise pushes the left end of the four-stage opening pawl (72) to move upwards, after the opening roller (60) is separated from the left end of the four-stage opening pawl (72), the four-stage opening pawl (72) moves downwards under the action of a torsion spring E (70) to reset, the four-stage opening pawl (72), the three-stage opening pawl (73), the two-stage opening pawl (68) and the one-stage opening pawl (65) are matched with each other to clamp the opening roller (60) and the transmission crank arm (59), the elastic potential energy of the opening spring (5) is locked; an output crank arm (33) on the output shaft (23) rotates to drive a switch to complete a closing action; the brake opening process: the opening electromagnet (62) is electrified and then strikes the first-stage opening pawl (65), the first-stage opening pawl (65) rotates clockwise, so that the roller B (69) on the second-stage opening pawl (68) is separated from the first-stage opening pawl (65), under the action of elastic potential energy of the opening spring (5), the roller C (71) is separated from the second-stage opening pawl (68), the opening roller (60) is separated from the fourth-stage opening pawl (72), the second-stage opening pawl (68), the third-stage opening pawl (73) and the fourth-stage opening pawl (72) rotate clockwise, the opening roller (60) and the transmission crank arm (59) are unlocked, the transmission crank arm (59) and the output shaft (23) rotate clockwise rapidly, the output shaft (23) is limited by the inner crank arm (22) and the piston (7), and the output crank arm (33) on the output shaft (23) rotates to drive the switch to complete opening.

2. The spring operating mechanism of gear energy storage according to claim 1, wherein a first seal ring (8), a second seal ring (9) and a third seal ring (10) are arranged in a left end hole of the hydraulic cylinder (15), a fourth seal ring (12) and a fifth seal ring (13) are arranged on the sleeve plug (11), a sixth seal ring (16) and a seventh seal ring (17) are arranged on the cylinder plug (18), and the hydraulic oil in the hydraulic cylinder is sealed by the seal rings.